Iowa Administrative Bulletin (IAB) & IAC Supplement

The IAB (published biweekly) is the official notice of all proposed and adopted changes to the rules in the Iowa Administrative Code (IAC); documents that pertain to the business of the Administrative Rules Review Committee (ARRC); Executive Orders; and other documents as prescribed by statute. The IAC Supplement (published biweekly) contains replacement chapters incorporating amendments to rules in the IAC.